Well i think it is breaking since there are now errors showing up as the missing workflows vanish… after they can not be called by other workflows looking for them.
Well, your project can be restored to previous points in time, so, even if something is going wacky right now, you can always restore to an earlier point in time. (And, I’m pretty confident Bubble support can restore to you to points in time that your current service level doesn’t grant.) But, even so, if you’re experiencing strangeness like this you need to file a bug report so someone can look at the specific project in question.